Park Tool Threadless Star Nut Setter With Guide

Park's Threadless Star Nut Setter makes it quick and easy to install star-fangled nuts used with 1-inch and 1-1/8-inch threadless headset systems. Using a durable steel driver and built-in guide, the TNS-4 perfectly aligns the star-fangled nut and sets it to the proper depth every time. Plus, the unique design virtually eliminates pinched fingers!